Piston Kit Gr. II (Size B) for 150 MX 2025 - A43030107010 II

This Piston Kit Gr. II (Size B) is a high-quality OEM component designed to restore engine performance and reliability. As a genuine factory part, it ensures precise fitment and optimal compression for your motorcycle's engine.

This kit is compatible with 2025 KTM 150 SX (EU), 2025 Husqvarna TC 150 (EU), 2025 Husqvarna TC 150 Heritage, and 2025 GasGas MC 150 models. It is engineered to meet the exact specifications of these 150cc motocross machines.

Using genuine OEM internal engine parts helps maintain the longevity of your top-end and ensures consistent power delivery throughout the rev range. This Gr. II (Size B) piston is specifically sized to match factory cylinder tolerances for a perfect seal.

We recommend professional installation by a qualified technician to ensure proper ring gap and piston clearance. Always inspect your cylinder wall for wear before installing a new piston kit to ensure the best possible performance.

Check compatibility list below to see if this part fits your motorcycle model.